Air delivery tube



FIG. 1 is a perspective view of an air delivery tube showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left end view thereof;

FIG. 8 is a right end view thereof;

FIG. 9 is a reverse perspective view thereof; and,

FIG. 10 is a partial cross sectional view taken along line 10-10 of FIG. 7.

The air delivery tube is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.

The broken lines in the drawings depict portions of the air delivery tube that form no part of the claimed design. 

CLAIM The ornamental design for an air delivery tube, as shown and described. 